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Answers by K29986283214
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31
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What is the predicted bond angle in a water molecule and how is it determined using the VSEPR theory? Also, how does the bond angle of water molecule compare to that of ammonia molecule?
answered
Feb 22
in
Chemical bonding
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votes
32
views
What is the enthalpy change for the oxidation of 1 mole of ethanol to acetic acid? Given the following balanced chemical equation for the reaction: C2H5OH + 2O2 → 2CO2 + 3H2O ∆H = -1367 kJ/mol.
answered
Feb 20
in
ThermoChemistry
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votes
33
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What is the effect of pH on the reaction rate of the hydrolysis of sucrose using invertase enzyme at 37°C?
answered
Feb 19
in
Chemical kinetics
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votes
27
views
How does the coordination chemistry of copper in hemocyanin contribute to its function as an oxygen transporter in some mollusks and arthropods?
answered
Feb 19
in
Coordination Chemistry
0
votes
62
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What improvements can be made in the properties of ceramics to increase their durability and strength for use in high-temperature applications such as gas turbines?
answered
Feb 13
in
Materials Chemistry
0
votes
64
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Identify the functional groups present in the molecule ethylene oxide (also known as oxirane) and explain its reactivity towards nucleophiles.
answered
Feb 13
in
Organic Chemistry
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votes
33
views
How can the production process of fragrances be optimized to minimize waste and increase yield?
answered
Feb 10
in
Chemical engineering
0
votes
34
views
How can molecular docking studies be used to design new drugs for a specific protein target?
answered
Feb 5
in
Computational Chemistry
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votes
29
views
How can limited access to laboratory equipment and facilities affect the quality of scientific research and education in the field of chemistry?
answered
Feb 5
in
Chemical education
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69
views
Calculate the standard enthalpy change for the vaporization reaction of 25.0 g of water at 100°C and atmospheric pressure (1 atm).
answered
Feb 3
in
Chemical thermodynamics
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98
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What is the concentration of copper ions (Cu2+) in a 100 mL sample of wastewater if 4652 coulombs of electricity are needed to completely oxidize all the copper ions present? The electrolysis is carried out using a current of 0.25 amperes for a period of 6 minutes. Assume that the only copper present is in the form of Cu2+.
answered
Jan 30
in
Analytical Chemistry
0
votes
63
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How can we determine the concentration of a sample solution containing a mixture of ferrocyanide and ferricyanide ions using polarography?
answered
Jan 29
in
Analytical Chemistry
0
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80
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How many constitutional isomers can be obtained for a given molecular formula C5H12?
answered
Jan 21
in
Organic Chemistry
0
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96
views
When was the Hawthorne Effect first identified?
answered
Jan 20
in
Psychology
0
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45
views
When was the first edition of the Berkeley Puppet Interview BPI published?
answered
Jan 20
in
Psychology
0
votes
66
views
What is the social proof theory in social psychology?
answered
Jan 20
in
Psychology
0
votes
47
views
What are the weaknesses of the Frequency Theory?
answered
Jan 16
in
Psychology
0
votes
104
views
Where does the systems theory of human sexuality focus?
answered
Jan 15
in
Psychology
0
votes
51
views
How does humanistic psychology differ from other psychological approaches?
answered
Jan 13
in
Psychology
0
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95
views
Which germ layers are essential for animal embryos to grow and develop into a body?
answered
Jan 8
in
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